(1999). RP 4th least corrupt in Asia. Philippine Star.
Chicago Style (17th ed.) Zitazioa"RP 4th Least Corrupt in Asia." Philippine Star 1999.
MLA (9th ed.) Zitazioa"RP 4th Least Corrupt in Asia." Philippine Star, 1999.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.